Use the docker image right from https://github.com/bakins/gearman-exporter instead!
Docker image for gearman-exporter, which exports Gearman metrics in Prometheus format.
Run gearman-exporter:
docker run cargomedia/gearman-exporter
Build the image:
docker build -t cargomedia/gearman-exporter .
The image will be pushed to Docker Hub by the travis build.